Mind Steal (5e Spell)
From D&D Wiki
|9th-level Abjuration (ritual)|
|Casting time:||1 action|
|Duration:||Up to 24 hour|
You take over a humanoid's mind. The creature must make a Wisdom saving throw against your spell save DC. If the humanoid fails the save, you hijack the creature's mind. They can repeat the save every time they take damage and every hour.